For severe heart failure patients, an LVAD, or left ventricular-assist device, helps the heart pump blood. 7asmin via Wikimedia Commons hide caption
Science
Sunday
The Peregrine Fund recently released four California condors over high cliffs in Northern Arizona. In 1982, there were only 22 of these giant birds left in the wild. George Andrejko/Courtesy, Arizona Game and Fish Department hide caption
Saturday
State herpetologist J.D. Kleopfer says the discovery of a two-headed copperhead snake in Northern Virginia earlier this month is an "extraordinarily rare" sighting that few of his colleagues have seen. J.D. Kleopfer/Virginia Dept. of Game and Inland Fisheries hide caption
WATCH: 'Extremely Rare' 2-Headed Snake Stuns Social Media, Charms Scientists
Friday
Christine Blasey Ford is sworn in ahead of testifying before the Senate Judiciary Committee on Thursday. Win McNamee/Getty Images hide caption
A screenshot by NPR of a sea lion flinging an octopus Taiyo Masuda/Screenshot by NPR hide caption
Drew Philp: How Can 'Radical Neighborliness' Help Struggling Communities?
Richard Berry: How Can Cities Create Opportunities For The Homeless?
Liz Ogbu on the TED stage. Stacie McChesney/Stacie McChesney / TED hide caption
Liz Ogbu: Can We Gentrify Neighborhoods While Allowing Longtime Residents To Stay?
OluTimehin Adegbeye on the TED stage. Ryan Lash/Ryan Lash / TED hide caption
OluTimehin Adegbeye: How Can Cities Make Space For Their Most Vulnerable Residents?
Thursday
A still from a 15-frame movie captured by one of the MINERVA-II1 rovers on the surface of asteroid Ryugu last week. JAXA hide caption
The edges of this sycamore leaf are turned upward into a cuplike shape, the typical sign of exposure to dicamba. Dan Charles/NPR hide caption
More kids are eating at fast-food chains like McDonald's, according to a new study, but parents are buying the healthier side options only about half the time. Miguel Candela/SOPA Images/LightRocket via Getty Images hide caption
An artist's reconstruction of Ledumahadi mafube, which means "a giant thunderclap at dawn," foraging during the early Jurassic in South Africa. Viktor Radermacher, University of the Witwatersrand hide caption
Bones Reveal The Brontosaurus Had An Older, Massive Cousin In South Africa
The contents of the naloxone kit inside an AED box located in the VA West Roxbury cafeteria. Jesse Costa/WBUR hide caption
VA Adding Opioid Antidote To Defibrillator Cabinets For Quicker Overdose Response
Wednesday
A different beluga whale swims under ice at the Arctic Circle dive center in northern Russia. Barcroft/Getty Images hide caption